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Catherine Twomey Fosnot

Catherine Twomey Fosnot is the Founding Director of Mathematics in the City and former Professor of Education at The City College of the City of New York.  She has twice received the "best writing" award from AERA's Constructivist SIG and she was the recipient of the "young scholar" award by Educational Communication and Technology Journal. She is the lead author of the Contexts for Learning Mathematics series as well as the Young Mathematicians at Work series.

Learning to Support Young Mathematicians at WorkLearning to Support Young Mathematicians at Work Investigate the Number SystemInvestigate the Number System Investigate MultiplicationInvestigate Multiplication Investigate FractionsInvestigate Fractions
Constructing Algebra Professional Book Study BundleConstructing Algebra Professional Book Study Bundle The Complete Young Mathematicians at Work SeriesThe Complete Young Mathematicians at Work Series Young Mathematicians at Work: Constructing AlgebraYoung Mathematicians at Work: Constructing Algebra Minilessons for Early Addition and SubtractionMinilessons for Early Addition and Subtraction
Minilessons for Extending Addition and SubtractionMinilessons for Extending Addition and Subtraction Minilessons for Extending Multiplication and DivisionMinilessons for Extending Multiplication and Division The Teachers' LoungeThe Teachers' Lounge Field Trips and Fund-RaisersField Trips and Fund-Raisers
Best Buys, Ratios, and RatesBest Buys, Ratios, and Rates Exploring Parks and PlaygroundsExploring Parks and Playgrounds The T-Shirt FactoryThe T-Shirt Factory Ages and TimelinesAges and Timelines
Trades, Jumps, and StopsTrades, Jumps, and Stops The Big DinnerThe Big Dinner The Box FactoryThe Box Factory Bunk Beds and Apple BoxesBunk Beds and Apple Boxes
Measuring for the Art ShowMeasuring for the Art Show Contexts for Learning Mathematics Teacher Pack 1-2Contexts for Learning Mathematics Teacher Pack 1-2 Contexts for Learning Mathematics Teacher Pack 2-3Contexts for Learning Mathematics Teacher Pack 2-3 Contexts for Learning Mathematics Teacher Pack 3-4Contexts for Learning Mathematics Teacher Pack 3-4
Contexts for Learning Mathematics Teacher Pack 4-5Contexts for Learning Mathematics Teacher Pack 4-5 Contexts for Learning Mathematics : 3-level BundleContexts for Learning Mathematics : 3-level Bundle Contexts for Learning Mathematics Level 3 PostersContexts for Learning Mathematics Level 3 Posters Contexts for Learning Mathematics, Level 3Contexts for Learning Mathematics, Level 3
Contexts for Learning Mathematics Level 2 PostersContexts for Learning Mathematics Level 2 Posters Contexts for Learning Mathematics, Level 2Contexts for Learning Mathematics, Level 2 Contexts for Learning Mathematics Level 1 Read-AloudsContexts for Learning Mathematics Level 1 Read-Alouds Contexts for Learning Mathematics, Level 1Contexts for Learning Mathematics, Level 1
Young Mathematicians at WorkYoung Mathematicians at Work Young Mathematicians at WorkYoung Mathematicians at Work Young Mathematicians at WorkYoung Mathematicians at Work Constructing Algebra Professional Book Study BundleConstructing Algebra Professional Book Study Bundle
The California Frog-Jumping Contest DVDThe California Frog-Jumping Contest DVD Trades, Jumps, and Stops DVDTrades, Jumps, and Stops DVD Minilessons for Operations with Fractions, Decimals, and PercentsMinilessons for Operations with Fractions, Decimals, and Percents Games for Early Number SenseGames for Early Number Sense
Organizing and CollectingOrganizing and Collecting Beads and Shoes, Making TwosBeads and Shoes, Making Twos The Double-Decker BusThe Double-Decker Bus Muffles' TrufflesMuffles' Truffles
Minilessons for Operations with Fractions, Decimals, and Percents, Grades 5-8 (CD)Minilessons for Operations with Fractions, Decimals, and Percents, Grades 5-8 (CD) Fostering Children's Mathematical Development, Grades 5-8 (CD)Fostering Children's Mathematical Development, Grades 5-8 (CD) Exploring Playgrounds, Grades 5-8 (CD)Exploring Playgrounds, Grades 5-8 (CD) Working with the Ratio Table, Grades 5-8 (CD)Working with the Ratio Table, Grades 5-8 (CD)
Sharing Submarine Sandwiches, Grades 5-8 (CD)Sharing Submarine Sandwiches, Grades 5-8 (CD) Working with the Array, Grades 3-5 (CD)Working with the Array, Grades 3-5 (CD) Fostering Children's Mathematical Development, Grades 3-5 (CD)Fostering Children's Mathematical Development, Grades 3-5 (CD) Multiplication and Division Minilessons, Grades 3-5 (CDs)Multiplication and Division Minilessons, Grades 3-5 (CDs)
Turkey Investigations, Grades 3-5 (CD)Turkey Investigations, Grades 3-5 (CD) Exploring Soda Machines, Grades 3-5 (CD)Exploring Soda Machines, Grades 3-5 (CD) Addition and Subtraction Minilessons, Grades PreK-3 (CD)Addition and Subtraction Minilessons, Grades PreK-3 (CD) Exploring Ages, PreK-3 (CD)Exploring Ages, PreK-3 (CD)
Taking Inventory, PreK-3 (CD)Taking Inventory, PreK-3 (CD) Working with the Number Line, PreK-3 (CD)Working with the Number Line, PreK-3 (CD) Fostering Children's Mathematical Development, Grades PreK-3 (CD)Fostering Children's Mathematical Development, Grades PreK-3 (CD) Minilessons for Early Multiplication and DivisionMinilessons for Early Multiplication and Division
Groceries, Stamps, and Measuring StripsGroceries, Stamps, and Measuring Strips The Mystery of the MeterThe Mystery of the Meter The California Frog-Jumping ContestThe California Frog-Jumping Contest Contexts for Learning Mathematics Teacher Pack 5-6Contexts for Learning Mathematics Teacher Pack 5-6
YMAW Fostering Children's Mathematical Development, Grades 5-8 (Resource Package)YMAW Fostering Children's Mathematical Development, Grades 5-8 (Resource Package) YMAW Minilessons for Operations with Fractions, Decimals, and Percents, Grades 5-8 (Resource Package)YMAW Minilessons for Operations with Fractions, Decimals, and Percents, Grades 5-8 (Resource Package) YMAW Exploring Playgrounds, Grades 5-8 (Resource Package)YMAW Exploring Playgrounds, Grades 5-8 (Resource Package) Sharing Submarine Sandwiches, Grades 5-8 (Resource Package)Sharing Submarine Sandwiches, Grades 5-8 (Resource Package)
Working with the Ratio Table, Grades 5-8 (Resource Package)Working with the Ratio Table, Grades 5-8 (Resource Package) Young Math Work PD PK 3-5Young Math Work PD PK 3-5 Fostering Children's Mathematical Development, Grades 3-5 (Resource Package)Fostering Children's Mathematical Development, Grades 3-5 (Resource Package) Working with the Array, Grades 3-5 (Resource Package)Working with the Array, Grades 3-5 (Resource Package)
Young Math Work PD PK K-3Young Math Work PD PK K-3 Multiplication and Division Minilessons, Grades 3-5 (Resource Package)Multiplication and Division Minilessons, Grades 3-5 (Resource Package) Turkey Investigations, Grades 3-5 (Resource Package)Turkey Investigations, Grades 3-5 (Resource Package) Exploring Soda Machines, Grades 3-5 (Resource Package)Exploring Soda Machines, Grades 3-5 (Resource Package)
Addition and Subtraction Minilessons, Grades PreK-3 (Resource Package)Addition and Subtraction Minilessons, Grades PreK-3 (Resource Package) Exploring Ages, PreK-3 (Resource Package)Exploring Ages, PreK-3 (Resource Package) Taking Inventory, PreK-3 (Resource Package)Taking Inventory, PreK-3 (Resource Package) Working with the Number Line, Grades PreK-3 (Resource Package)Working with the Number Line, Grades PreK-3 (Resource Package)
Young Mathematicians at Work, Grades 3-5Young Mathematicians at Work, Grades 3-5 Contexts for Learning Mathematics Teacher Pack K-1Contexts for Learning Mathematics Teacher Pack K-1 Young Mathematicians at Work, PreK-3Young Mathematicians at Work, PreK-3 Fostering Children's Mathematical Development, Grades PreK-3 (Resource Package)Fostering Children's Mathematical Development, Grades PreK-3 (Resource Package)

Email planningservices@heinemann.com if you would like to contact Catherine Fosnot directly about professional development support.

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